module Imm.Maildir where
import Imm.Error
import Imm.Mail
import Imm.Util
import Control.Monad.Error
import qualified Data.Text.Lazy.IO as T
import qualified Data.Text.Lazy as TL
import Data.Time.Clock.POSIX
import Network.BSD
import System.Directory
import System.FilePath
import System.Random
create :: (MonadBase IO m, MonadError ImmError m) => FilePath -> m ()
create directory = do
try $ createDirectoryIfMissing True directory
try $ createDirectoryIfMissing True (directory </> "cur")
try $ createDirectoryIfMissing True (directory </> "new")
try $ createDirectoryIfMissing True (directory </> "tmp")
add :: (MonadBase IO m, MonadError ImmError m) => FilePath -> Mail -> m ()
add directory mail = do
fileName <- io getUniqueName
try $ T.writeFile (directory </> "new" </> fileName) (TL.pack $ show mail)
getUniqueName :: MonadBase IO m => m String
getUniqueName = io $ do
time <- show <$> getPOSIXTime
hostname <- getHostName
rand <- show <$> (getStdRandom $ randomR (1,100000) :: IO Int)
return . concat $ [time, ".", rand, ".", hostname]